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Finding the Fourth Proportional to 16,252.88, 22,430.79 and 9,179.75

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Solution

The fourth proportional to 16,252.88, 22,430.79 and 9,179.75 is: 12,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,252.88 : 22,430.79 = 9,179.75 : x
  2. Step 2: Convert to fraction form
    16,252.88/22,430.79 = 9,179.75/x
  3. Step 3: Cross multiply
    16,252.88x = 22,430.79 × 9,179.75
  4. Step 4: Simplify right side
    16,252.88x = 205,909,100.58
  5. Step 5: Solve for x
    x = 205,909,100.58/16,252.88
  6. Step 6: Final answer
    x = 12,669.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.